Stand you're ground!!!Take no other action make no threats ,just keep fishing ,as long as you don't cross the line i.e. get in his face and say Bad things about is family upbringing,you are with in you're rights,just keep you're cool as long as do this there isn't s*it he can do.
Remember killem with kindness They are trying to provoke a negative response from you to fuel their fire ...Hang in there Guys

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Row Quietly and fish a Cataraft }<<(('>----<'))>>{
Release all Wild Fish